linux-kernel - [PATCH AUTOSEL 5.10 026/114] scsi: st: ERASE does not change tape location

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20250505231817.2697367-26-sashal@kernel.org>
Date: Mon,  5 May 2025 19:16:49 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Kai Mäkisara <Kai.Makisara@...umbus.fi>,
	"Martin K . Petersen" <martin.petersen@...cle.com>,
	Sasha Levin <sashal@...nel.org>,
	James.Bottomley@...senPartnership.com,
	linux-scsi@...r.kernel.org
Subject: [PATCH AUTOSEL 5.10 026/114] scsi: st: ERASE does not change tape location

From: Kai Mäkisara <Kai.Makisara@...umbus.fi>

[ Upstream commit ad77cebf97bd42c93ab4e3bffd09f2b905c1959a ]

The SCSI ERASE command erases from the current position onwards.  Don't
clear the position variables.

Signed-off-by: Kai Mäkisara <Kai.Makisara@...umbus.fi>
Link: https://lore.kernel.org/r/20250311112516.5548-3-Kai.Makisara@kolumbus.fi
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/st.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 47e59b74c09d2..747e69abfcfce 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -2889,7 +2889,6 @@ static int st_int_ioctl(struct scsi_tape *STp, unsigned int cmd_in, unsigned lon
 			timeout = STp->long_timeout * 8;
 
 		DEBC_printk(STp, "Erasing tape.\n");
-		fileno = blkno = at_sm = 0;
 		break;
 	case MTSETBLK:		/* Set block length */
 	case MTSETDENSITY:	/* Set tape density */
-- 
2.39.5